Respuesta :

page 1:

[tex]-\frac{8}{3} m = 6[/tex]

[tex]-8m = 6(3)[/tex]

[tex]-8m = 18[/tex]

[tex]m = \frac{18}{-8}[/tex]

[tex]m = -\frac{9}{4}[/tex]

[tex]m = -2\frac{1}{4}[/tex]

page 2:

7)

[tex]0.8x = 19[/tex]

[tex]x = 19/0.8[/tex]

[tex]x = 23.75[/tex]

8)

[tex]0.12x = 1[/tex]

[tex]x = 1/0.12[/tex]

[tex]x =[/tex][tex]\frac{25}{3}[/tex]

[tex]x = 8\frac{1}{3}[/tex]

5)

3.3(x+4)

3.3x + 13.2

b.

[tex]9-5\:\frac{1}{2}x-3\left(-2x+1\right)[/tex]

[tex]9-\frac{11}{2}x-3\left(-2x+1\right)[/tex]

[tex]6x-\frac{11}{2}x+9-3[/tex]

[tex]x\frac{1}{2}+6[/tex]

[tex]\frac{1}{2}x+6[/tex]

c.

[tex]2.2(3.1+x)+3x[/tex]

[tex]6.82+2.2x+3x[/tex]

[tex]6.82+5.2x[/tex]

page 3:

1.

3/4 x = 60

x = (60*4)/3

x = 80

2.

2/5 x =42

x = (42*5)/2

x =105

3.

3/5 y = 40

y = (40*5)/3

y = [tex]\frac{200}{3}[/tex]

y = [tex]66\frac{2}{3}[/tex]

4.

[tex]-\frac{8}{3}m =6[/tex]

[tex]m = \frac{6*3}{-8}[/tex]

[tex]m = -\frac{9}{4}[/tex]

[tex]m = -2\frac{1}{4}[/tex]

5.

[tex]\frac{5}{6} x =4[/tex]

[tex]x = \frac{4*6}{5}[/tex]

[tex]x =4.8[/tex]

6.

[tex]\frac{5}{3} x =12[/tex]

[tex]x = \frac{12*3}{5}[/tex]

[tex]x =7.2[/tex]

Answer:

Step-by-step explanation:

-8/3m =  6

divide both sides by -8/3

m = 6/(-8/3)

m= -2.25

2. 0.8x = 19

x= 19/0.8

x= 23.75

3. 0.12x = 1

x= 1/0.12

x= 8.333333

3/4x = 60

x = 60*(3/4)

x = 45

SORRY I COULDN'T ANSWER EVERYTHING THE QUESTIONS WERE ALOT, BUT WITH MY EXPLANATIONS YOU CAN ANSWER ALL OF THEM. NO SWEAT